practice questions flashcards
basic life processes account for what percentage of metabolic use?
%70
why do amino acids need to be supplied to the diet?
because they are essential for biosynthesis but we do not have the pathways to synthesize them ourselves
why is it harder to breathe at high elevations rather than at sea level.
the partial pressure of oxygen at altitude is higher than that at sea level
is fetal or the mothers hemoglobin more effective at binding oxygen.
Fetal Hemoglobin
T/F there is no oxygenated blood in a fish heart
T
what is the main difference between an artery and a vein?
an artery is surrounded by more muscle
if co2 is released into blood in your toe, does it ever pass through the pulmonary vein?
no
what is the order in which blood pressure is described
systolic pressure/ max pressure in arteries
do mammal embryo’s develop with one or both parents genome?
both
what is the special organelle at the sperm head that allows it to penetrate the embryo?
an acrosome
what is the calvin cycle?
the cycle in which chloroplasts process sunlight
do plants have ATP pumps in regards to water transport?
no
when an environment is bad for respiration but good for photosynthesis, does respiration continue?
no
what is the pistil?
the female organs of a flower
double fertilization results in what in angiosperms?
a diploid embryo and a triploid endosperm
